Journal
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING IN CHINA
Volume 5, Issue 4, Pages 610-614Publisher
HIGHER EDUCATION PRESS
DOI: 10.1007/s11783-011-0379-2
Keywords
ballast water; ceramic filter; UV; plankton; oceanic bacteria
Categories
Funding
- National Key Project of Scientific and Technical Supporting Programs of China [2006BAC11B05-3]
- Scientific and Technical Research Plan of Dalian [2005E21SF150]
- Fundamental Research Funds for the Central Universities [2011QN054]
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To fulfill the requirements of Guidelines for approval of ballast water management system (G8), a set of onshore ballast water treatment equipment utilizing micro-pore ceramic filtration (MPCF) and UV radiation (MPCF&UV) system was designed and set up with a maximum flow rate of 80 m(3)center dot h(-1). Technical feasibilities of MPCF&UV system were evaluated in three areas: removal efficiencies of indicator organism and oceanic bacteria, perdurability of a ceramic filter, and application on native seawater. The results showed that no indicator organism (Dunaliella) or oceanic bacteria was detected after treatment of 20 L MPCF and UV radiation at 1.3x10(4) mu W center dot s center dot cm(-2). A 20 L ceramic filter can run continuously for 5.3 h at the flow rate of 15 m(3)center dot h(-1) before its pressure drop up to 0.195 MPa. The removal percentage of total plankton amounts were 91.9% at a flow rate of 70 m(3)center dot h(-1) by 80 L MPCF and UV radiation at 1.3x10(4) mu W center dot s center dot cm(-2).
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